what is the name of the sheath of connective tissue that surrounds a skeletal muscle
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ATI TEAS 7

ati teas 7 science

1. What is the name of the sheath of connective tissue that surrounds a skeletal muscle?

Correct answer: A

Rationale: The correct answer is Epimysium. The epimysium is the outermost layer of connective tissue that surrounds a skeletal muscle, providing protection and support to the muscle as a whole. Perimysium, which surrounds bundles of muscle fibers known as fascicles, is not the sheath that surrounds the entire muscle. Endomysium surrounds individual muscle fibers, not the entire muscle. Myofibril is a structure within muscle fibers that contains the contractile proteins responsible for muscle contraction, but it is not the sheath of connective tissue surrounding the muscle.

2. Which of the following sentences follows the rules of capitalization?

Correct answer: B

Rationale: The correct answer is B. Titles used before names, like 'Uncle' in 'Uncle Archibald,' should be capitalized. In choices A, C, and D, 'cousin,' 'mother,' and 'sister' are common nouns and should not be capitalized unless used before the name as part of the title. Therefore, they are incorrect choices. Choice B demonstrates proper capitalization rules by capitalizing 'Uncle Archibald,' making it the correct option.

3. What is the term for a microorganism that lives on or in the human body and normally causes no disease or harm?

Correct answer: B

Rationale: The correct term for a microorganism that lives on or in the human body without causing harm is a commensal microorganism. Commensal microorganisms coexist with the host without causing disease or harm. Choice A, 'Bacteria,' is too broad as not all bacteria are harmless in the body. Choice C, 'Microorganism,' is a general term and does not specifically refer to the harmless nature of the organism. Choice D, 'Host,' refers to the organism harboring the microorganism, not the microorganism itself.

4. At what stage is urine formed in the kidney?

Correct answer: B

Rationale: Urine is formed when fluid fills the collecting duct in the kidney. The collecting duct is where the final concentration of urine occurs after the filtration process in the nephron. Choice A is incorrect because urine formation happens before fluid reaches the bladder. Choice C is incorrect because urine formation occurs after blood has been filtered in the glomerulus. Choice D is incorrect because urine formation happens before fluid is transported to the urethra for elimination.

5. What is the process of converting light energy into chemical energy called?

Correct answer: C

Rationale: - Respiration (Option A) is the process by which cells break down glucose to release energy. - Fermentation (Option B) is an anaerobic process that also involves the breakdown of glucose to release energy. - Hydrolysis (Option D) is a chemical process that involves the breakdown of molecules by adding water. Photosynthesis (Option C) is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. During photosynthesis, plants use sunlight, carbon dioxide, and water to produce glucose and oxygen. This process is essential for the survival of plants and ultimately sustains life on Earth by providing oxygen for other organisms to breathe and serving as a source of energy in the food chain.

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